Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Design a pumping system for a municipal water supply application where water needs to be lifted from a lower vented underground reservoir ( 5 m

Design a pumping system for a municipal water supply application where water needs to be lifted from a lower vented underground reservoir (5m above the pump) to a pressurized water tower situated 30 meters above the pump. The flow rate required is 1500liter/minute. Assume the physical properties of the wastewater are same as that of water at 15\deg C. The pressure at the top of the water tower is 20kpag.The horizontal distance between the pump and the water tower is 180 meters. The vertical pipe from the pump to entrance of the water tower tank is 20m. A sketch is shown below.The system includes pipes with varying diameters and fittings. The pipe from the reservoir to the pump station is X inches in diameter schedule 40 and 20m length, followed by a sudden expansion to (X +1) inches in diameter new schedule 40 at the pump suction. At the exit of the pump, the pipe diameter is X inches for the horizontal and vertical section leading to the water tower. Additionally, there two 90-degree standard elbows and one fully open globe valve located at 10 m from the exit of pump.You can use the equation below to estimate the pipe diameter, X, with a maximum allowable head load, hl as 22ft/100ft pipe length.I. Based on the requirements of the system, choose the right pump type. The suction pipe diameter is same as pipe size find from the equation below.2Compute the overall head losses considering friction losses in the fittings, pipes, and elevation variations3. To avoid cavitation, find the Net Positive Suction Head Required (NPSHR) for the selected pump and make sure it falls within the permitted NPSHA. Give thorough NPSHR and head loss computations.4. Compute a resistance curve for the system across the entire pump capacity. Display all of the points you used for the plotting in a table.5.6.Draw the resistance curveWhat are the pump characteristics (efficiency, horsepower, NPSHr) if pump impeller casting is7 inches.7. What adjustments could you recommend lowering the amSketch of the proposed system
Equation to estimate pipe diameter
D=0.66[1.25(LQ2ghL)4.75+yQ9.4(LghhL)5.2]0.04
All units in this equation are British Units
Kindly ensure you have a well-organized response sheet ready.ount of power needed, and why?
image text in transcribed

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access with AI-Powered Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Students also viewed these Chemical Engineering questions